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【多选题】
针对下图情况,安全员应该立即采取哪些处置措施?A.
要求操作工人戴好安全帽
B.
要求操作工人系好安全带
C.
要求操作工人立即停止作业
D.
要求操作工人在施工层满铺脚手板
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【简答题】One place that I think everyone should have the chance to see is Venice. But the problem is that this beautiful and charming city is slowly ___1___. Ever since the 14th century ___2___ have tried to w...
【简答题】I've always loved pigeons(鸽子). Some years ago I managed to persuade my wife to let me buy a few and start 16 them myself. They cost a lot of money and so it spoilt(破坏) our 17 a bit, but my wife never ...
【简答题】右图是湿空气中水蒸气的T-s图，A，B两点在同一条等压线上，试在图中标出两点的温度，比较两点相对湿度的大小。
【单选题】实训室的闸机,关于回收单程票的操作步骤以下正确的是?
A.
开启维护门后第一步先将右侧红色按钮按一下
B.
第二步等待压杆升上去
C.
第三步 解除票箱上下左右前后的固定装置
D.
第四步取下票箱，并将装满车票的票箱换入闸机
【单选题】The transaction cost theory states that the organization is a(n):
A.
entity that grows larger because it can conduct marketplace transactions internally more cheaply than it can with external firms in the marketplace.
B.
system of formal functions that include planning, organizing, coordinating, deciding, and controlling.
C.
system of management based on the observation of what managers actually doing their jobs.
D.
nexus of contracts among self-interested individuals who must be supervised and managed.
【简答题】画一画。 （1）过右图中的B点画直线 l 1 的平行线p 1 。 （2）过右图中的A点画直线 l 1 的垂线p 2 。 （3）量一量直线p 1 与p 2 相交的角的度数，是（ ）度， 直线p 1 与p 2 的位置关系是（ ）。 （4）直线p 1 与 l 2 的位置关系是（ ）。 （5）这四条直线围成了（ ）形。
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